openproject/frontend/app/templates/work_packages/tabs/watchers.html

<div id="detail-panel-watchers">
  <div class="notification-box -error" data-ng-show="watchers.error">
    <div class="notification-box--content">
      <p>{{::I18n.t('js.watchers.label_error_loading')}}</p>
    </div>
  </div>
  <div data-ng-show="watchers.loading">
    <p>{{I18n.t('js.watchers.label_loading')}}</p>
  </div>
  <div data-ng-hide="watchers.loading || watchers.error">
    <div class="work-package--watchers work-package--details--long-field">
      <work-package-watcher data-watcher="watcher" data-ng-repeat="watcher in watchers.watching track by watcher.id"></work-package-watcher>
    </div>
    <work-package-watchers-lookup data-watchers="watchers.available" data-ng-show="watchers.available.length"></work-package-watchers-lookup>
  </div>
</div>